Document Number: 91266

www.vishay.com

S-Pending-Rev. A, 21-Jul-08

5

IRFR120, IRFU120, SiHFR120, SiHFU120

Vishay Siliconix

Fig. 9 - Maximum Drain Current vs. Case Temperature

Fig. 10a - Switching Time Test Circuit

Fig. 10b - Switching Time Waveforms

Fig. 11 - Maximum Effective Transient Thermal Impedance, Junction-to-Case

Pulse width

≤ 1 µs

Duty factor

≤ 0.1 %

R

D

V

GS

R

G

D.U.T.

10 V

+

-

V

DS

V

DD

V

DS

90 %

10 %

V

GS

t

d(on)

t

r

t

d(off)

t

f